🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 637.1

Radius: 9.2

Gravity: 7.53 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 0.61 AU - 0.75 AU

Year: 387 Days

Day: 6.5 Hours

Environment

Temp: -147 °C

Axial Tilt: 4.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 67,840,881 km

• M1: 114,442 km (0.103 R)
• M2: 432,487 km (0.112 R)
• M3: 757,564 km (0.06 R)
• M4: 1,363,136 km (0.089 R)
• M5: 1,888,524 km (0.094 R)
• M6: 2,186,223 km (0.077 R)
• M7: 2,553,187 km (0.075 R)
• M8: 2,929,874 km (0.077 R)
• M9: 3,219,795 km (0.101 R)
• M10: 3,529,014 km (0.106 R)
• M11: 3,895,828 km (0.104 R)
• M12: 4,383,367 km (0.108 R)
• M13: 4,866,718 km (0.063 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 791.3

Radius: 10.4

Gravity: 7.32 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 1.06 AU - 1.14 AU

Year: 796 Days

Day: 14 Hours

Environment

Temp: -169 °C

Axial Tilt: 19 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 67,840,881 km

• M1: 129,402 km (0.119 R)
• M2: 465,249 km (0.09 R)
• M3: 1,022,950 km (0.086 R)
• M4: 1,405,322 km (0.055 R)
• M5: 1,750,145 km (0.12 R)
• M6: 2,768,608 km (0.105 R)
• M7: 3,158,161 km (0.065 R)
• M8: 3,715,263 km (0.05 R)
• M9: 4,190,984 km (0.118 R)
• M10: 4,553,011 km (0.117 R)
• M11: 5,321,645 km (0.119 R)
• M12: 6,363,893 km (0.109 R)
• M13: 6,799,223 km (0.031 R)
• M14: 8,430,139 km (0.099 R)
• M15: 9,036,609 km (0.117 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 242.8

Radius: 12

Gravity: 1.69 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 1.89 AU - 2.17 AU

Year: 1996 Days

Day: 12.4 Hours

Environment

Temp: -210 °C

Axial Tilt: 28.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 67,840,881 km

• M1: 150,944 km (0.08 R)
• M2: 567,874 km (0.11 R)
• M3: 1,494,932 km (0.05 R)
• M4: 2,534,487 km (0.066 R)
• M5: 5,961,774 km (0.075 R)
• M6: 6,760,627 km (0.112 R)
• M7: 7,629,491 km (0.118 R)
• M8: 8,294,604 km (0.044 R)
• M9: 9,056,057 km (0.109 R)
• M10: 10,685,776 km (0.109 R)
• M11: 11,382,902 km (0.112 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 344

Radius: 12.5

Gravity: 2.2 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 3.49 AU - 4.73 AU

Year: 5751 Days

Day: 7.4 Hours

Environment

Temp: -230 °C

Axial Tilt: 45.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 67,840,881 km

• M1: 156,180 km (0.102 R)
• M2: 659,727 km (0.089 R)
• M3: 1,947,615 km (0.119 R)
• M4: 3,088,598 km (0.068 R)
• M5: 3,489,071 km (0.098 R)
• M6: 4,349,259 km (0.038 R)
• M7: 5,213,486 km (0.113 R)
• M8: 7,449,076 km (0.1 R)
• M9: 9,373,055 km (0.07 R)
• M10: 10,556,224 km (0.109 R)
• M11: 14,440,084 km (0.107 R)
• M12: 15,350,387 km (0.103 R)
• M13: 16,241,841 km (0.065 R)
• M14: 17,583,285 km (0.079 R)
• M15: 19,442,487 km (0.115 R)
• M16: 23,694,208 km (0.118 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.01 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 115.1

Radius: 4.2

Gravity: 6.52 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 4.8 AU - 7.22 AU

Year: 10170 Days

Day: 15.5 Hours

Environment

Temp: -234 °C

Axial Tilt: 25.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 67,840,881 km

• M1: 52,359 km (0.07 R)
• M2: 444,904 km (0.116 R)
• M3: 632,051 km (0.098 R)
• M4: 780,302 km (0.089 R)
• M5: 1,038,060 km (0.11 R)
• M6: 2,986,273 km (0.088 R)
• M7: 3,231,763 km (0.079 R)
• M8: 3,510,912 km (0.096 R)
• M9: 4,071,904 km (0.083 R)
• M10: 5,905,675 km (0.118 R)
• M11: 6,538,773 km (0.072 R)
• M12: 7,316,383 km (0.089 R)
• M13: 9,053,214 km (0.068 R)
• M14: 10,958,493 km (0.116 R)
• M15: 11,725,332 km (0.089 R)
• M16: 12,479,305 km (0.079 R)
• M17: 15,594,680 km (0.053 R)
• M18: 18,121,688 km (0.029 R)
• M19: 20,570,904 km (0.1 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.4 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 614.7

Radius: 6

Gravity: 17.08 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 4.92 AU - 7.88 AU

Year: 11176 Days

Day: 23.2 Hours

Environment

Temp: -218 °C

Axial Tilt: 36.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 67,840,881 km

• M1: 74,649 km (0.1 R)
• M2: 541,694 km (0.07 R)
• M3: 1,584,541 km (0.097 R)
• M4: 3,784,377 km (0.09 R)
• M5: 7,024,817 km (0.108 R)
• M6: 7,309,801 km (0.092 R)
• M7: 8,899,428 km (0.085 R)
• M8: 9,378,889 km (0.116 R)
• M9: 11,470,566 km (0.053 R)
• M10: 12,446,842 km (0.026 R)
• M11: 16,054,245 km (0.094 R)
• M12: 19,654,318 km (0.113 R)
• M13: 24,586,410 km (0.065 R)
• M14: 27,889,381 km (0.069 R)
• M15: 28,092,386 km (0.099 R)
• M16: 28,296,437 km (0.117 R)
• M17: 29,436,223 km (0.09 R)
• M18: 33,038,839 km (0.09 R)
• M19: 35,122,738 km (0.101 R)
• M20: 41,764,285 km (0.12 R)
• M21: 43,104,682 km (0.106 R)
• M22: 48,753,647 km (0.099 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.53 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 775.6

Radius: 5.2

Gravity: 28.68 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 8.38 AU - 8.68 AU

Year: 17196 Days

Day: 16.1 Hours

Environment

Temp: -238 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 67,840,881 km

• M1: 64,776 km (0.087 R)
• M2: 461,958 km (0.087 R)
• M3: 796,758 km (0.096 R)
• M4: 1,157,439 km (0.059 R)
• M5: 1,443,769 km (0.11 R)
• M6: 1,637,349 km (0.057 R)
• M7: 2,097,362 km (0.042 R)
• M8: 2,855,823 km (0.059 R)
• M9: 3,606,057 km (0.048 R)
• M10: 4,249,477 km (0.082 R)
• M11: 4,446,647 km (0.094 R)
• M12: 6,126,033 km (0.072 R)
• M13: 6,813,285 km (0.05 R)
• M14: 7,840,275 km (0.12 R)
• M15: 8,390,795 km (0.062 R)
• M16: 8,701,659 km (0.073 R)
• M17: 14,043,351 km (0.042 R)
• M18: 14,704,124 km (0.11 R)
• M19: 16,087,755 km (0.118 R)
• M20: 18,670,263 km (0.093 R)
• M21: 20,755,807 km (0.102 R)
• M22: 21,324,428 km (0.047 R)
• M23: 22,196,734 km (0.101 R)
• M24: 23,092,526 km (0.119 R)
• M25: 23,908,732 km (0.115 R)
• M26: 25,598,739 km (0.086 R)
• M27: 26,694,394 km (0.099 R)
• M28: 32,139,607 km (0.097 R)
• M29: 37,299,387 km (0.107 R)
• M30: 39,856,762 km (0.088 R)
• M31: 40,293,887 km (0.09 R)
• M32: 42,985,003 km (0.094 R)
• M33: 44,844,206 km (0.076 R)
• M34: 45,793,554 km (0.072 R)
• M35: 48,556,028 km (0.099 R)
• M36: 50,401,467 km (0.08 R)
• M37: 53,698,455 km (0.115 R)
• M38: 54,410,391 km (0.088 R)
• M39: 58,626,658 km (0.117 R)
• M40: 59,571,069 km (0.101 R)
• M41: 69,370,477 km (0.087 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.44 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 713.2

Radius: 3.9

Gravity: 46.89 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 7.94 AU - 10.94 AU

Year: 20020 Days

Day: 19.8 Hours

Environment

Temp: -232 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 67,840,881 km

• M1: 56,548 km (0.084 R)
• M2: 352,752 km (0.117 R)
• M3: 836,551 km (0.056 R)
• M4: 1,011,581 km (0.092 R)
• M5: 1,357,601 km (0.113 R)
• M6: 3,242,983 km (0.073 R)
• M7: 3,646,747 km (0.095 R)
• M8: 4,247,084 km (0.101 R)
• M9: 4,588,167 km (0.08 R)
• M10: 5,058,802 km (0.092 R)
• M11: 11,081,313 km (0.064 R)
• M12: 11,726,379 km (0.056 R)
• M13: 12,879,778 km (0.101 R)
• M14: 16,130,690 km (0.109 R)
• M15: 17,726,600 km (0.119 R)
• M16: 22,524,652 km (0.093 R)
• M17: 31,300,362 km (0.102 R)
• M18: 36,788,061 km (0.099 R)
• M19: 45,596,085 km (0.088 R)
• M20: 57,402,648 km (0.099 R)
• M21: 64,105,081 km (0.081 R)
• M22: 70,435,913 km (0.037 R)
• M23: 77,170,810 km (0.116 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 375.2

Radius: 3.5

Gravity: 30.63 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 9.16 AU - 11.4 AU

Year: 22751 Days

Day: 24.7 Hours

Environment

Temp: -246 °C

Axial Tilt: 37.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 67,840,881 km

• M1: 44,730 km (0.033 R)
• M2: 154,983 km (0.063 R)
• M3: 326,423 km (0.117 R)
• M4: 515,963 km (0.085 R)
• M5: 785,239 km (0.11 R)
• M6: 901,178 km (0.071 R)
• M7: 1,090,269 km (0.053 R)
• M8: 1,392,906 km (0.087 R)
• M9: 1,629,570 km (0.085 R)
• M10: 3,000,484 km (0.093 R)
• M11: 3,367,448 km (0.111 R)
• M12: 3,763,733 km (0.104 R)
• M13: 4,716,222 km (0.102 R)
• M14: 4,995,073 km (0.073 R)
• M15: 5,433,843 km (0.118 R)
• M16: 5,897,896 km (0.103 R)
• M17: 6,642,594 km (0.091 R)
• M18: 6,860,259 km (0.075 R)
• M19: 7,172,620 km (0.046 R)
• M20: 8,723,201 km (0.077 R)
• M21: 9,250,235 km (0.069 R)
• M22: 13,067,374 km (0.107 R)
• M23: 17,157,978 km (0.105 R)
• M24: 17,899,684 km (0.097 R)
• M25: 21,834,856 km (0.078 R)
• M26: 27,628,184 km (0.102 R)
• M27: 28,190,372 km (0.115 R)
• M28: 29,453,876 km (0.113 R)
• M29: 31,358,406 km (0.09 R)
• M30: 31,724,472 km (0.116 R)
• M31: 37,698,963 km (0.049 R)
• M32: 39,372,364 km (0.112 R)
• M33: 40,514,993 km (0.108 R)
• M34: 44,381,051 km (0.04 R)
• M35: 46,088,262 km (0.099 R)
• M36: 48,975,201 km (0.088 R)
• M37: 50,965,451 km (0.111 R)
• M38: 53,181,594 km (0.115 R)
• M39: 63,463,905 km (0.077 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 537 - 13,664 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit